Finding the Fourth Proportional to 86,007.74, 129,007.04 and 26,836.63
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Solution
The fourth proportional to 86,007.74, 129,007.04 and 26,836.63 is: 40,253.52
Step by Step Solution
- Step 1: Write the proportion equation
86,007.74 : 129,007.04 = 26,836.63 : x - Step 2: Convert to fraction form
86,007.74/129,007.04 = 26,836.63/x - Step 3: Cross multiply
86,007.74x = 129,007.04 × 26,836.63 - Step 4: Simplify right side
86,007.74x = 3,462,114,065.69 - Step 5: Solve for x
x = 3,462,114,065.69/86,007.74 - Step 6: Final answer
x = 40,253.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.